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Airsickness is a specific form of motion sickness which is induced by air travel [1] and is considered a normal response in healthy individuals. Airsickness occurs when the central nervous system receives conflicting messages from the body (including the inner ear , eyes and muscles ) affecting balance and equilibrium .
This is the most frequent type of altitude sickness encountered. Symptoms often manifest within ten hours of ascent and generally subside within two days, though they occasionally develop into the more serious conditions. Symptoms include headache, confusion, fatigue, stomach illness, dizziness, and sleep disturbance. [9]
The theory explains why labyrinthine-defective individuals are immune to motion sickness; [31] [32] why symptoms emerge when undergoing various body-head accelerations; why combinations of voluntary and reflexive eye movements may challenge the proper operation of Sherrington's Law, and why many drugs that suppress eye movements also serve to ...
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Eponymous medical signs are those that are named after a person or persons, usually the physicians who first described them, but occasionally named after a famous patient. This list includes other eponymous entities of diagnostic significance; i.e. tests, reflexes, etc.
The hands typically get cold when the body or the hand specifically is exposed to cold.” Most of the time cold hands aren’t a cause for concern — they’re simply the result of less blood ...
About 1 in 50 climbers who ascended Denali [6,194 metres or 20,322 feet] developed pulmonary edema, and as high as 6% of climbers ascending rapidly in the Alps [4,559 metres or 14,957 feet]. [9] In climbers who had previously developed HAPE, re-attack rate was up to 60% with ascent to 4,559 metres (14,957 ft) in a 36-hour time period, though ...
Chilblains can be idiopathic (spontaneous and unrelated to another disease), but similar symptoms may also be a manifestation of another serious medical condition that must be investigated. Related medical conditions include Raynaud syndrome , erythromelalgia , frostbite , and trench foot , as well as connective tissue diseases such as lupus or ...